CN220036453U - Clutch device of automatic door - Google Patents
Clutch device of automatic door Download PDFInfo
- Publication number
- CN220036453U CN220036453U CN202321329812.1U CN202321329812U CN220036453U CN 220036453 U CN220036453 U CN 220036453U CN 202321329812 U CN202321329812 U CN 202321329812U CN 220036453 U CN220036453 U CN 220036453U
- Authority
- CN
- China
- Prior art keywords
- clutch
- propping
- groove
- rod
- main shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000000926 separation method Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 238000009499 grossing Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
Landscapes
- Mechanical Operated Clutches (AREA)
Abstract
The clutch device of the automatic door comprises a main shaft, a clutch gear, a clutch driving piece, a clutch push rod, a key bar and a spring; the main shaft is provided with a yielding groove and a shaft inner hole; the clutch gear is provided with a perforation and a key slot; one side of the key bar is propped against the spring to slide in the abdication groove, the clutch propping rod is arranged in the shaft inner hole in a penetrating way, one end of the clutch propping rod is propped against the other side of the key bar, and the end part of the key bar protruding out of the abdication groove is clamped in the key groove; the clutch driving piece is provided with a propping groove for propping the clutch propping rod and a driving part exposed out of the shell; the notch of the propping groove faces the clutch propping rod, and the concave depth difference between the first propping end and the second propping end is the transverse movement stroke of the clutch propping rod; the clutch pushing rod and the pushing groove are matched with a simple structure, are convenient to assemble, are convenient to push the clutch pushing rod to transversely move by rotating the clutch driving piece, and push the key bar to be separated from the driving gear by the clutch pushing rod, so that the driving gear and the main shaft are tripped, and the door leaf can be manually and easily pulled to open and close, and the operation is convenient.
Description
Technical Field
The utility model relates to the technical field of automatic doors, in particular to a clutch device of an automatic door.
Background
Along with the improvement of living standard and the rapidness of living rhythm, the existing automatic switch door becomes a common phenomenon, and is safe, simple and energy-saving; the door opener is a set of mechanical electronic device for controlling the door body to be automatically opened and closed, and mainly comprises a driving motor, a transmission main shaft and a clutch; the clutch is arranged for ensuring that the automatic door can be normally opened or closed when power failure or other electrical faults occur, a shell of the clutch is connected with the door body, and the clutch is separated from the driving gear through key bar movement to realize the combination or separation between the driving gear and the transmission main shaft; when the motor is electrified, the key bar is clamped into the driving gear, the driving gear and the transmission main shaft are in a combined state, and the door body performs door opening and closing actions under the control of the driving motor; when the motor is in power failure, the key bar is pushed by the trigger mechanism to separate from the driving gear, the transmission main shaft and the driving gear are in a separated state, and the door body is separated from the driving motor to switch the door by manpower; because the automatic door is realized by preventing the door body from moving after the clutch is combined, the clutch must be in a combined state to lock the door body when the door body is completely closed. The trigger mechanism in the existing door opener is complex, and then the trigger mechanism pushes the matched structure of the key bar to have more matched components, so that the structure is complex, the assembly is inconvenient, and the operation is inconvenient.
In view of the above, the present inventors have developed and designed the present utility model by intensively conceived and actively studied and improved attempts to solve various drawbacks and inconveniences caused by the imperfection of the clutch structure design of the automatic door.
Disclosure of Invention
The utility model aims to provide a clutch device of an automatic door, which has the advantages of simple structure and convenient assembly, and is convenient for pushing a clutch pushing rod to transversely move by rotating a clutch driving piece, and the clutch pushing rod pushes a key bar to separate from a driving gear, so that the driving gear and a main shaft are tripped, and a door leaf can be manually and easily pulled to open and close, and the operation is convenient.
In order to achieve the above object, the solution of the present utility model is:
the clutch device of the automatic door comprises a main shaft, a clutch gear arranged on the main shaft, a clutch driving piece, a clutch push rod, a key bar and a spring; the middle section of the main shaft is provided with a yielding groove which is communicated with the side wall of the main shaft, and one end of the main shaft is provided with a shaft inner hole which is communicated with the yielding groove; the clutch gear is provided with a perforation sleeved on the main shaft and a key slot arranged on the wall of the perforation; the clutch pushing rod is arranged in the shaft inner hole in a penetrating way, one end of the clutch pushing rod is propped against the other side of the key bar, and the end part of the key bar protruding out of the abdicating groove is clamped in the key groove; the clutch driving piece is provided with a propping groove for propping the clutch propping rod and a driving part exposed out of the shell; the notch of the propping groove faces the clutch propping rod, the propping groove is provided with a first propping top end and a second propping top end, and the concave depth difference of the first propping top end and the second propping top end is the transverse movement stroke of the clutch propping rod.
The transverse movement stroke of the clutch push rod is larger than or equal to the movement stroke of the key bar movement separation driving gear.
The pushing groove is a spiral groove which is concavely arranged from the end face of the clutch driving piece, facing the clutch pushing rod, to the driving part, and the first pushing top end and the second pushing top end are positioned on a circular ring which is concentric with the clutch driving piece and has the same diameter.
The clutch driving piece is provided with a first cylindrical column, a second column assembled and matched with the shell, and a driving part arranged at the outer end of the second column, and the propping groove is arranged on the first column; the propping groove is provided with a groove side wall surrounding the center of the first column body, and the groove side wall is an arc side wall concentrically arranged with the first column body.
The propping groove is further provided with a spirally arranged groove bottom wall, the groove bottom wall is provided with a first propping top end, a second propping top end and a smooth section for connecting the first propping top end and the second propping top end, and the groove depths of the first propping top end and the second propping top end are deeper than the groove depths of the smooth section.
The propping groove is also provided with a side notch positioned on the outer wall of the first cylinder, and the side notch extends from the groove bottom wall to be communicated with the notch of the propping groove.
The circular arc side wall is provided with a first side edge positioned at the first propping end, a second side edge positioned at the second propping end, a circular arc edge positioned at the end surface of the first cylinder and a spiral edge connected with the bottom wall of the groove; the length difference between the first side edge and the second side edge is the transverse movement stroke of the clutch push rod.
The key bar is provided with a spring guide post sleeved by a spring, and the main shaft is internally provided with a containing groove which is communicated with the abdication groove and is used for supporting the spring.
The driving part is a triangular lug, and the triangular lug is matched with the driving handle to rotate the clutch driving piece.
The main shaft is provided with a step ring for propping and positioning the driving gear, one side of the driving gear is locked on the main shaft through a locking nut, and a buffer pad is arranged between the driving gear and the locking nut.
After the structure is adopted, when the clutch device of the automatic door disclosed by the utility model is used for manually opening the door after power failure, the clutch driving piece is manually rotated through the driving part exposed out of the shell, the clutch driving piece is rotated to drive the propping groove to rotate so as to push the clutch propping rod to transversely move, the clutch propping rod pushes the key bar to be separated from the key groove of the driving gear, and the key bar compresses the spring, so that the driving gear and the main shaft are tripped, and the door leaf can be manually and easily pulled to open and close; when the door is manually locked, the door is closed, then the clutch driving piece is manually rotated through the driving part exposed outside the shell, the clutch driving piece rotates to drive the propping groove to rotate, under the elastic force of the spring, the key bar pushes the clutch propping rod to prop against the propping groove to transversely move towards the clutch driving piece, and the spring pushes the key bar to be clamped into the key groove of the driving gear, so that the driving gear is buckled with the main shaft, and the door locking function is realized; wherein, the notch of the propping groove faces to the clutch propping rod, and one end of the clutch propping rod is propped against the propping groove of the clutch driving piece directly; in the rotation process of the clutch driving piece, the rotating propping groove directly pushes the clutch propping rod to transversely move (namely, the propping position of the clutch propping rod and the propping groove is continuously changed in the rotation process of the propping groove, the first propping end is changed into the second propping end), the matching structure of the clutch propping rod and the propping groove is simple and stable, the clutch propping rod is not required to be matched with other limiting parts to limit the movement of the clutch propping rod, the assembly is more convenient, and the operation is more convenient.
Drawings
FIG. 1 is a schematic view of a clutch device of an automatic door according to the present utility model;
FIG. 2 is a schematic front view of the clutch device of the automatic door of the present utility model;
FIG. 3 is a schematic cross-sectional view of the clutch device of the automatic door of the present utility model;
FIG. 4 is an exploded view of the clutch device of the automatic door of the present utility model;
FIG. 5 is an exploded cross-sectional schematic view of the clutch device of the automatic door of the present utility model;
FIG. 6 is a schematic view of the clutch driving member of the clutch device of the automatic door according to the present utility model;
FIG. 7 is a schematic view showing another direction of a clutch driving member of the clutch device of the automatic door according to the present utility model;
FIG. 8 is a schematic front view of the clutch driving member of the clutch device of the automatic door of the present utility model;
fig. 9 is a side view schematically showing a clutch driving member of the clutch device of the automatic door of the present utility model.
Compliance with the description
A main shaft 1; a driving gear 2; a key bar 3; a clutch push rod 4; a clutch driving member 5; a pushing groove 51; a driving section 52; notch 511; a first abutment end 512; a second abutment end 513; a first column 53; a second column 54; groove sidewalls 514; a slot bottom wall 515; a smoothing section 516; a side notch 517; a blocking edge 55; a first side 5141; circular arc edge 5143; spiral edge 5144; a relief groove 11; a shaft bore 12; a perforation 21; a keyway 22; a spring guide post 31; a spring 6; a receiving groove 14; a step ring 13; a lock nut 23; cushion 24.
Detailed Description
In order to further explain the technical scheme of the utility model, the utility model is explained in detail by specific examples.
Referring to fig. 1 to 9, the present utility model discloses a clutch device of an automatic door, which comprises a main shaft 1, a clutch gear 2 arranged on the main shaft 1, a clutch driving piece 5, a clutch pushing rod 4, a key bar 3 and a spring 6; the middle section of the main shaft 1 is provided with a yielding groove 11 which is communicated with the side wall of the main shaft 1, and one end of the main shaft 1 is provided with an inner shaft hole 12 which is communicated with the yielding groove 11; the driving gear 2 is provided with a through hole 21 sleeved on the main shaft 1 and a key slot 22 arranged on the wall of the through hole 21, one side of the key bar 3 is propped against the spring 6 to be slidingly accommodated in the yielding groove 11, the clutch propping rod 4 is arranged in the shaft inner hole 12 in a penetrating manner, one end of the clutch propping rod is propped against the other side of the key bar 3, and the end part of the key bar 3 protruding out of the yielding groove 11 is clamped in the key slot 22; the clutch driving piece 5 is provided with a propping groove 51 for propping the clutch propping rod 4 and a driving part 52 exposed out of the shell 10; the notch 511 of the propping groove 51 faces the clutch lever 4, and the propping groove 51 has a first propping end 512 and a second propping end 513, and the difference in groove depth between the first propping end 512 and the second propping end 513 is the lateral movement stroke of the clutch lever 4.
When the clutch device of the automatic door is opened manually after power failure, the clutch driving piece 5 is manually rotated through the driving part 52 exposed outside the shell 10, the clutch driving piece 5 is rotated to drive the propping groove 51 to rotate so as to push the clutch propping rod 4 to transversely move, the clutch propping rod 4 pushes the key bar 3 to be separated from the key groove of the driving gear 2, the spring 6 is compressed by the key bar 3, so that the driving gear 2 and the main shaft 1 are tripped, and the door leaf can be manually and easily pulled to open and close; when the door is manually locked, the door is closed firstly, then the clutch driving piece 5 is manually rotated through the driving part 52 exposed outside the shell 10, the clutch driving piece 5 rotates to drive the propping groove 51 to rotate, under the action of the elasticity of the spring 6, the key bar pushes the clutch propping rod 4 to prop against the propping groove 51 to transversely move towards the clutch driving piece 5, and the spring 6 pushes the key bar 3 to be clamped into the key groove of the driving gear 2, so that the driving gear 2 is buckled with the main shaft 1, and the door locking function is realized; wherein, the notch 511 of the propping groove 51 faces to the clutch propping rod 4, and one end of the clutch propping rod 4 is propped against the propping groove 52 of the clutch driving piece 5 directly; in the rotation process of the clutch driving piece 4, the rotating propping groove 52 directly pushes the clutch propping rod 4 to transversely move (namely, the propping positions of the clutch propping rod 4 and the propping groove 52 are continuously changed in the rotation process of the propping groove 52 from a first propping end 512 far away from the driving gear 2 to a second propping end 513 close to the driving gear 2), the matching structure of the clutch propping rod 4 and the propping groove 52 is simple and stable, the clutch propping rod 4 is not required to be limited to move by matching with other limiting parts, the assembly is more convenient, and the operation is more convenient; moreover, the difference in groove depth between the first propping end 512 and the second propping end 513 is the lateral movement stroke of the clutch propping rod 4, two ends of the clutch propping rod 4 are in a hemispherical structure, the propping groove 51 is driven to rotate in the rotation process of the clutch driving piece 5, the propping positions of the clutch propping rod 4 and the propping groove 51 are changed from one deep end of the groove depth of the propping groove 51 to one shallow end of the groove depth, so that the clutch propping rod 4 is conveniently pushed to move towards the key bar 3 to prop against the key bar 3 to separate from the driving gear 2, the matching structure of the clutch propping rod 4 and the propping groove 51 is simpler, and the operation is smoother.
The transverse movement stroke of the clutch push rod 4 is larger than or equal to the movement stroke of the key bar 3 which moves to be separated from the driving gear 2; the clutch pushing rod 4 can push the keybars 3 to separate from the driving gear 2, so that the main shaft 1 and the driving gear 2 are ensured to be in a release state, and the door leaf is conveniently pulled manually to open and close.
The propping groove 51 is a spiral groove concavely arranged from the end surface of the clutch driving member 5 facing the clutch pushing rod 4 to the driving part 52, and the first propping end 512 and the second propping end 513 are positioned on a circular ring which is concentric with the clutch driving member 5 and has the same diameter, namely, the vertical distance from the first propping end 512 to the central axis of the clutch driving member 5 is the same as the vertical distance from the second propping end 513 to the central axis of the clutch driving member 5; in the rotation process of the clutch driving piece 5, the position of the clutch pushing rod 4 propped against the propping groove 51 is always positioned on the same circular ring, the transverse movement of the clutch pushing rod 4 is limited, the clutch pushing rod 4 is transversely moved by transverse acting force to push the key bar 3 to separate from the driving gear 2, and the driving gear 2 and the main shaft 1 are tripped, so that the door leaf can be manually and easily pulled to open and close.
The clutch driving member 5 of the present utility model comprises a first cylindrical column 53, a second column 54 assembled and matched with the housing 10, and a driving portion 52 disposed at an outer end of the second column 54, wherein the supporting groove 51 is disposed on the first column 53; the propping groove 51 is provided with a groove side wall 514 surrounding the center of the first column 51, and the groove side wall 514 is an arc side wall concentrically arranged with the first column 53; in the transverse movement process of pushing the clutch pushing rod 4 by rotating the pushing groove 51, the clutch pushing rod 4 is always abutted against one side of the circular arc side wall, so that the clutch pushing rod 4 keeps transversely moving, the pushing key bar 3 is convenient to separate from the driving gear 2, and the operation is more convenient.
The propping groove 51 of the present utility model further has a groove bottom wall 515 spirally arranged, the groove bottom wall 514 has the first propping end 512, the second propping end 513 and a smooth section 516 connecting the first propping end 512 and the second propping end 513, and the groove depth of the first propping end 512 and the second propping end 513 is deeper than the groove depth of the smooth section 516; when the clutch pushing rod 4 is located at the first pushing end 512 or the second pushing end 513, the clutch pushing rod 4 cannot be separated from the first pushing end 512 or the second pushing end 513 under the action of no external force, so that the clutch structure of the clutch device 30 is more stable.
The propping groove 51 is also provided with a side notch 517 positioned on the outer wall of the first column 53, and the side notch 517 extends from the groove bottom wall 515 to be communicated with the notch 511 of the propping groove 51; the convenient clutch push rod 4 is matched with the push groove 51 in a push way, so that the assembly is more convenient.
According to the utility model, the groove bottom wall 515 is provided with the blocking edge 55 protruding out of the groove bottom wall 515 on the outer wall of the first column 53, and when the clutch driving piece 5 rotates, the blocking edge 55 can prevent the clutch push rod 4 from falling out of the push groove 51, and the matching structure of the clutch push rod 4 and the push groove 51 is more stable.
The circular arc side wall of the utility model is provided with a first side 5141 positioned at the first propping end 512, a second side 5142 positioned at the second propping end 513, a circular arc side 5143 positioned at the end surface of the first column 53 and a spiral side 5144 connected with the bottom wall 515 of the connecting groove; the length difference between the first side 5141 and the second side 5142 is the transverse movement stroke of the clutch lifter 4.
The key bar 3 is provided with a spring guide column 31 for sleeving the spring 6, and the main shaft 1 is internally provided with a containing groove 14 which is communicated with the abdication groove 11 and is used for propping the spring 6; the spring 6 is stably arranged in the main shaft 1, and when the clutch pushing rod 4 is not propped by the clutch driving piece 5, the spring force of the spring 6 is convenient to push the key bar 3 to be clamped into the key groove 22 of the driving gear 2, so that the clutch device is buckled.
The driving part 52 is a triangular lug, and the triangular lug is matched with the driving handle to rotate the clutch driving piece 5; the driving part 5 is more convenient to rotate through the driving handle, and the operation is convenient and labor-saving.
The main shaft 1 is provided with a step ring 13 for propping and positioning the driving gear 2, one side of the driving gear 2 is locked on the main shaft 1 through a locking nut 23, and a cushion pad 24 is arranged between the driving gear 2 and the locking nut 23.
The above examples and drawings are not intended to limit the form or form of the present utility model, and any suitable variations or modifications thereof by those skilled in the art should be construed as not departing from the scope of the present utility model.
Claims (10)
1. A clutch device for an automatic door, characterized in that: the clutch device comprises a main shaft, a clutch gear arranged on the main shaft, a clutch driving piece, a clutch push rod, a key bar and a spring; the middle section of the main shaft is provided with a yielding groove which is communicated with the side wall of the main shaft, and one end of the main shaft is provided with a shaft inner hole which is communicated with the yielding groove; the clutch gear is provided with a perforation sleeved on the main shaft and a key slot arranged on the wall of the perforation; the clutch pushing rod is arranged in the shaft inner hole in a penetrating way, one end of the clutch pushing rod is propped against the other side of the key bar, and the end part of the key bar protruding out of the abdicating groove is clamped in the key groove; the clutch driving piece is provided with a propping groove for propping the clutch propping rod and a driving part exposed out of the shell; the notch of the propping groove faces the clutch propping rod, the propping groove is provided with a first propping top end and a second propping top end, and the concave depth difference of the first propping top end and the second propping top end is the transverse movement stroke of the clutch propping rod.
2. A clutch device for an automatic door according to claim 1, wherein: the transverse movement stroke of the clutch push rod is larger than or equal to the movement stroke of the key bar movement separation driving gear.
3. A clutch device for an automatic door according to claim 1, wherein: the pushing groove is a spiral groove which is concavely arranged from the end face of the clutch driving piece, facing the clutch pushing rod, to the driving part, and the first pushing top end and the second pushing top end are positioned on a circular ring which is concentric with the clutch driving piece and has the same diameter.
4. A clutch device for an automatic door according to claim 3, wherein: the clutch driving piece is provided with a first cylindrical column, a second column assembled and matched with the shell, and a driving part arranged at the outer end of the second column, and the propping groove is arranged on the first column; the propping groove is provided with a groove side wall surrounding the center of the first column body, and the groove side wall is an arc side wall concentrically arranged with the first column body.
5. A clutch device for an automatic door according to claim 4, wherein: the propping groove is further provided with a spirally arranged groove bottom wall, the groove bottom wall is provided with a first propping top end, a second propping top end and a smooth section for connecting the first propping top end and the second propping top end, and the groove depths of the first propping top end and the second propping top end are deeper than the groove depths of the smooth section.
6. A clutch device for an automatic door according to claim 5, wherein: the propping groove is also provided with a side notch positioned on the outer wall of the first cylinder, and the side notch extends from the groove bottom wall to be communicated with the notch of the propping groove.
7. A clutch device for an automatic door according to claim 4, wherein: the circular arc side wall is provided with a first side edge positioned at the first propping end, a second side edge positioned at the second propping end, a circular arc edge positioned at the end surface of the first cylinder and a spiral edge connected with the bottom wall of the groove; the length difference between the first side edge and the second side edge is the transverse movement stroke of the clutch push rod.
8. A clutch device for an automatic door according to claim 1, wherein: the key bar is provided with a spring guide post sleeved by a spring, and the main shaft is internally provided with a containing groove which is communicated with the abdication groove and is used for supporting the spring.
9. A clutch device for an automatic door according to claim 1, wherein: the driving part is a triangular lug, and the triangular lug is matched with the driving handle to rotate the clutch driving piece.
10. A clutch device for an automatic door according to claim 1, wherein: the main shaft is provided with a step ring for propping and positioning the driving gear, one side of the driving gear is locked on the main shaft through a locking nut, and a buffer pad is arranged between the driving gear and the locking nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321329812.1U CN220036453U (en) | 2023-05-29 | 2023-05-29 | Clutch device of automatic door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321329812.1U CN220036453U (en) | 2023-05-29 | 2023-05-29 | Clutch device of automatic door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220036453U true CN220036453U (en) | 2023-11-17 |
Family
ID=88741694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321329812.1U Active CN220036453U (en) | 2023-05-29 | 2023-05-29 | Clutch device of automatic door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220036453U (en) |
-
2023
- 2023-05-29 CN CN202321329812.1U patent/CN220036453U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4941697A (en) | Over-loading idling lock set | |
| WO2015010513A1 (en) | High-security electronic lock cylinder with clutch | |
| CN100374676C (en) | Door lock device | |
| CN220036453U (en) | Clutch device of automatic door | |
| CN211396990U (en) | Electric lock body | |
| KR20170007038A (en) | Doorlock having Lever Cam Direct Driving Type Push-Pull Handle | |
| CN116607858A (en) | Door opener | |
| CN110107153A (en) | Prevent violence from suppressing the electronic lock mechanisms that handle rotation is opened the door | |
| KR102037201B1 (en) | Pull type multi purpose door lock | |
| CN109441230B (en) | Lock cylinder with clutch structure | |
| CN212336924U (en) | Door lock handle mechanism and door body | |
| CN110685509B (en) | Lock body capable of removing obstacle | |
| CN212336940U (en) | Zero-resistance novel silent lock bolt capable of swinging lock bolt | |
| JP3710883B2 (en) | Door handle device | |
| CN102844511A (en) | Magnetic gate latch | |
| KR200223979Y1 (en) | Sliding Door Locks | |
| CN111894351A (en) | Lock for operation hole | |
| CN219220032U (en) | Key type door lock | |
| CN210370204U (en) | Door and window lock structure | |
| CN211201435U (en) | Lock opening and closing driving module and electric lock body | |
| CN220973914U (en) | Automobile fuel tank cap actuator | |
| JP7441505B2 (en) | Electric lock operation unit | |
| CN215761013U (en) | Electric appliance spring-pushing door lock | |
| CN219528674U (en) | Handle door lock | |
| CN211313724U (en) | Sliding door lock with external unlocking function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |